- avulsion - an abrupt change in the course of a stream that forms the boundary between two parcels of land resulting in the loss of part of the land of one landowner and a consequent increase in the land of another
--1 is a kind of change, alteration, modification
- avulsion - a forcible tearing or surgical separation of one body part from another
--2 is a kind of separation
Derived form: verb avulse1 - avulsion - a forcible tearing or surgical separation of one body part from another